325772552 has 128 divisors (see below), whose sum is σ = 774144000. Its totient is φ = 125452800.

The previous prime is 325772549. The next prime is 325772569. The reversal of 325772552 is 255277523.

It is a super-2 number, since 2×325772552² = 212255511273185408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1636949 + ... + 1637147.

It is an arithmetic number, because the mean of its divisors is an integer number (6048000).

Almost surely, 2^325772552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325772552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387072000).

325772552 is an abundant number, since it is smaller than the sum of its proper divisors (448371448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325772552 is a wasteful number, since it uses less digits than its factorization.

325772552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 303 counting only the distinct ones).

The product of its digits is 147000, while the sum is 38.

The square root of 325772552 is about 18049.1703964476. The cubic root of 325772552 is about 688.0787779363.

The spelling of 325772552 in words is "three hundred twenty-five million, seven hundred seventy-two thousand, five hundred fifty-two".